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Cheap flights from Seattle to Ireland from €210

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to Ireland departing on 5/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Seattle to Ireland

Cheap return flights

Enter your travel dates to find the best prices.
Icelandair Logo
19:00 - 11:05SEA  Seattle/Tacoma Intl-DUB Dublin
32h 05m1 stop Reykjavik Keflavik Intl
Icelandair Logo
12:15 - 20:40DUB  Dublin-SEA Seattle/Tacoma Intl
16h 25m1 stop Reykjavik Keflavik Intl
€613Icelandair
Wed, 30 Sep - Sun, 11 Oct
Multiple Airlines Logo
15:55 - 10:10SEA  Seattle/Tacoma Intl-DUB Dublin
34h 15m2 stops Kastrup Copenhagen Oslo Gardermoen
Multiple Airlines Logo
05:55 - 13:45DUB  Dublin-SEA Seattle/Tacoma Intl
15h 50m2 stops Amsterdam Schiphol Kastrup Copenhagen
€614Multiple Airlines
Sun, 20 Sep - Tue, 6 Oct
Icelandair Logo
15:40 - 13:15SEA  Seattle/Tacoma Intl-DUB Dublin
13h 35m1 stop Reykjavik Keflavik Intl
Icelandair Logo
12:15 - 17:55DUB  Dublin-SEA Seattle/Tacoma Intl
13h 40m1 stop Reykjavik Keflavik Intl
€614Icelandair
Sun, 27 Sep - Wed, 7 Oct
Icelandair Logo
19:00 - 11:05SEA  Seattle/Tacoma Intl-DUB Dublin
32h 05m1 stop Reykjavik Keflavik Intl
Icelandair Logo
14:15 - 20:40DUB  Dublin-SEA Seattle/Tacoma Intl
14h 25m1 stop Reykjavik Keflavik Intl
€616Icelandair
Mon, 5 Oct - Sat, 10 Oct
Icelandair Logo
15:40 - 13:15SEA  Seattle/Tacoma Intl-DUB Dublin
13h 35m1 stop Reykjavik Keflavik Intl
Icelandair Logo
12:15 - 20:40DUB  Dublin-SEA Seattle/Tacoma Intl
16h 25m1 stop Reykjavik Keflavik Intl
€618Icelandair
Mon, 28 Sep - Sun, 11 Oct
Icelandair Logo
15:35 - 10:15SEA  Seattle/Tacoma Intl-DUB Dublin
11h 40m1 stop Reykjavik Keflavik Intl
Icelandair Logo
11:30 - 17:00DUB  Dublin-SEA Seattle/Tacoma Intl
13h 30m1 stop Reykjavik Keflavik Intl
€619Icelandair
Fri, 30 Oct - Mon, 9 Nov
Multiple Airlines Logo
15:40 - 18:30SEA  Seattle/Tacoma Intl-DUB Dublin
18h 50m2 stops Reykjavik Keflavik Intl Stockholm Arlanda
Multiple Airlines Logo
11:40 - 20:40DUB  Dublin-SEA Seattle/Tacoma Intl
17h 00m2 stops Stockholm Arlanda Reykjavik Keflavik Intl
€621Multiple Airlines
Sun, 20 Sep - Tue, 6 Oct
Multiple Airlines Logo
08:21 - 05:10SEA  Seattle/Tacoma Intl-DUB Dublin
12h 49m1 stop Toronto Pearson Intl
Multiple Airlines Logo
13:00 - 19:43DUB  Dublin-SEA Seattle/Tacoma Intl
14h 43m1 stop Toronto Pearson Intl
€621Multiple Airlines
Sat, 6 Feb - Sat, 20 Feb
Icelandair Logo
15:40 - 13:15SEA  Seattle/Tacoma Intl-DUB Dublin
13h 35m1 stop Reykjavik Keflavik Intl
Icelandair Logo
12:15 - 20:40DUB  Dublin-SEA Seattle/Tacoma Intl
16h 25m1 stop Reykjavik Keflavik Intl
€622Icelandair
Fri, 9 Oct - Sun, 18 Oct
Icelandair Logo
19:00 - 11:05SEA  Seattle/Tacoma Intl-DUB Dublin
32h 05m1 stop Reykjavik Keflavik Intl
Icelandair Logo
14:15 - 20:40DUB  Dublin-SEA Seattle/Tacoma Intl
14h 25m1 stop Reykjavik Keflavik Intl
€626Icelandair
Wed, 30 Sep - Sat, 10 Oct

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Icelandair flights from Seattle to Ireland

Our best Icelandair deals on Seattle to Ireland flight tickets
Icelandair
30 Sept
SEA19:00Seattle/Tacoma Intl
32h 05m
1 stop
DUB11:05Dublin
11 Oct
DUB12:15Dublin
16h 25m
1 stop
SEA20:40Seattle/Tacoma Intl
€613
Icelandair
27 Sept
SEA15:40Seattle/Tacoma Intl
13h 35m
1 stop
DUB13:15Dublin
7 Oct
DUB12:15Dublin
13h 40m
1 stop
SEA17:55Seattle/Tacoma Intl
€614
Icelandair
5 Oct
SEA19:00Seattle/Tacoma Intl
32h 05m
1 stop
DUB11:05Dublin
10 Oct
DUB14:15Dublin
14h 25m
1 stop
SEA20:40Seattle/Tacoma Intl
€616

Lufthansa flights from Seattle to Ireland

Our best Lufthansa deals on Seattle to Ireland flight tickets
Lufthansa
12 Sept
SEA18:50Seattle/Tacoma Intl
37h 40m
2 stops
ORK16:30Cork
21 Sept
ORK17:05Cork
26h 50m
1 stop
SEA11:55Seattle/Tacoma Intl
€909
Lufthansa
4 Sept
SEA14:10Seattle/Tacoma Intl
13h 05m
1 stop
SNN11:15Shannon
9 Sept
SNN09:30Shannon
21h 15m
1 stop
SEA22:45Seattle/Tacoma Intl
€911
Lufthansa
7 Sept
SEA07:00Seattle/Tacoma Intl
16h 30m
1 stop
SNN07:30Shannon
25 Sept
SNN12:30Shannon
17h 25m
1 stop
SEA21:55Seattle/Tacoma Intl
€913

momondo Fare Finder

 
Customise your flight search to find flights from Seattle to Ireland that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 13,528 searches. Data last updated 16 August 2026.
Use the filters below to find and compare flights from Seattle to Ireland that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

SeattleDublin

SEA Seattle/Tacoma Intl - DUB Dublin

SEADUB

Seattle/Tacoma Intl

Wed 30/9

19:00-11:05

1 stop32h 05m

Dublin

Sun 11/10

12:15-20:40

1 stop16h 25m

€613

SeattleDublin

SEA Seattle/Tacoma Intl - DUB Dublin

SEADUB

Seattle/Tacoma Intl

Sun 20/9

15:55-10:10

2 stops34h 15m

Dublin

Tue 6/10

05:55-13:45

2 stops15h 50m

€614

SeattleDublin

SEA Seattle/Tacoma Intl - DUB Dublin

SEADUB

Seattle/Tacoma Intl

Sun 27/9

15:40-13:15

1 stop13h 35m

Dublin

Wed 7/10

12:15-17:55

1 stop13h 40m

€614

SeattleDublin

SEA Seattle/Tacoma Intl - DUB Dublin

SEADUB

Seattle/Tacoma Intl

Mon 5/10

19:00-11:05

1 stop32h 05m

Dublin

Sat 10/10

14:15-20:40

1 stop14h 25m

€616

SeattleDublin

SEA Seattle/Tacoma Intl - DUB Dublin

SEADUB

Seattle/Tacoma Intl

Mon 28/9

15:40-13:15

1 stop13h 35m

Dublin

Sun 11/10

12:15-20:40

1 stop16h 25m

€618
Fastest return journey

SeattleDublin

SEA Seattle/Tacoma Intl - DUB Dublin

SEADUB

Seattle/Tacoma Intl

Fri 30/10

15:35-10:15

1 stop11h 40m

Dublin

Mon 9/11

11:30-17:00

1 stop13h 30m

€619

SeattleDublin

SEA Seattle/Tacoma Intl - DUB Dublin

SEADUB

Seattle/Tacoma Intl

Sun 20/9

15:40-18:30

2 stops18h 50m

Dublin

Tue 6/10

11:40-20:40

2 stops17h 00m

€621

SeattleDublin

SEA Seattle/Tacoma Intl - DUB Dublin

SEADUB

Seattle/Tacoma Intl

Sat 6/2

08:21-05:10

1 stop12h 49m

Dublin

Sat 20/2

13:00-19:43

1 stop14h 43m

€621

SeattleDublin

SEA Seattle/Tacoma Intl - DUB Dublin

SEADUB

Seattle/Tacoma Intl

Fri 9/10

15:40-13:15

1 stop13h 35m

Dublin

Sun 18/10

12:15-20:40

1 stop16h 25m

€622

SeattleDublin

SEA Seattle/Tacoma Intl - DUB Dublin

SEADUB

Seattle/Tacoma Intl

Wed 30/9

19:00-11:05

1 stop32h 05m

Dublin

Sat 10/10

14:15-20:40

1 stop14h 25m

€626

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Ireland from

How to get the cheapest flight ticket from Seattle to Ireland

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Ireland?

The month of January is another great option to travel to Ireland, with average flight prices from Seattle averaging around €429.

What is the cheapest Seattle/Tacoma Intl to Ireland flight route?

Fly from Seattle/Tacoma Intl to Dublin for the best Seattle/Tacoma Intl - Ireland flight prices

How far in advance should I book a flight from Seattle to Ireland?

You are more likely to see cheaper flights to Ireland from Seattle when booking weeks ahead of your departure date. In general, you can expect to find flights to Ireland for around €626 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Ireland from Seattle for as low as €536 on momondo.

What cabin class options are available on Seattle to Ireland flights?

There is only 1 cabin class available to choose from on Seattle to Ireland flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Seattle to Ireland flights?

No. A direct flight is the cheapest option for a flight between Seattle to Ireland.

Cheap Seattle to Ireland flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Seattle to Ireland

Fastest flight time

9h 05m

Direct flights

Mon, Tue, Wed, Fri, Sat and Sun

Airports in Ireland

77 airports
The fastest flight from Seattle to Ireland takes 9h 05m
Direct flights go from Seattle to Ireland on Monday, Tuesday, Wednesday, Friday, Saturday and Sunday. There are no airlines offering direct flights..
There are 77 airports in Ireland. From Seattle there are direct flights to Dublin (DUB).
Search flight deals

Frequently asked questions about flying from Seattle to Ireland

  • When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Ireland?

    Prices for flights from Seattle/Tacoma Intl Airport to Ireland are updated daily.

  • How old do you have to be to fly from Seattle/Tacoma Intl Airport to Ireland?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from Seattle/Tacoma Intl Airport to Ireland.

  • What documentation or ID do you need to fly to Ireland?

    The travel and health documents you'll need for your trip to Ireland may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's licence and a passport that is valid for six months after your intended arrival at Ireland. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Seattle to Ireland?

Why use momondo?

Why should I use momondo to find a flight deal from Seattle to Ireland?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Seattle to Ireland for you.

Can I find flights from Seattle to Ireland with flexible booking policies on momondo?

momondo does allow users to show only those flights to Ireland from Seattle which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Seattle to Ireland?

momondo helps you find the best flight between Seattle and Ireland by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Seattle to Ireland right now. Can momondo alert me if prices change?

Price alerts on flights to Ireland from Seattle are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your Ireland trip

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Find better results for your trip to Ireland

Popular Cities in Ireland

Popular flights according to clicks in the last 7 days on momondo
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